125616315 has 64 divisors (see below), whose sum is σ = 244477440. Its totient is φ = 54282240.

The previous prime is 125616299. The next prime is 125616319. The reversal of 125616315 is 513616521.

It is not a de Polignac number, because 125616315 - 2⁴ = 125616299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125616319) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 52117 + ... + 54473.

It is an arithmetic number, because the mean of its divisors is an integer number (3819960).

Almost surely, 2^125616315 is an apocalyptic number.

125616315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125616315 is a deficient number, since it is larger than the sum of its proper divisors (118861125).

125616315 is a wasteful number, since it uses less digits than its factorization.

125616315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412.

The product of its digits is 5400, while the sum is 30.

The square root of 125616315 is about 11207.8684414120. The cubic root of 125616315 is about 500.8204064636.

It can be divided in two parts, 1256 and 16315, that added together give a palindrome (17571).

The spelling of 125616315 in words is "one hundred twenty-five million, six hundred sixteen thousand, three hundred fifteen".